Author Archive: fk

With the last test in this Advent, we get really Christmasy. We’re building a reusable gift box with which you can delight your relatives. Every time someone opens the present, the contents are lit up in an individual colour, and…Read more

Behind the door for today is a battery clip for a 9 V block, with which you can make the entire system moveable. An alternative to a battery is a power bank (a rechargeable battery pack, normally for mobile phones)….Read more

Today’s trial is about MQTT and a global project that was presented last year: the Cheerlights Project by Hans Schaaler. For everyone who doesn’t know the project: It’s about globally networked coloured lights that can be simultaneously controlled through Twitter…Read more

In today’s test, we’ll illuminate the characteristics and possibilities of MQTT in more detail by creating a practical scenario. In the example, there is a building with two rooms, each of which has a light switch, a light and an…Read more

For the last days of this Advent, you’ll now become familiar with a subject that plays a large role in the realm of the IoT. We’re dealing with the messaging protocol MQTT, which was specially developed for the communication from…Read more

Behind today’s door is another cable. With the two cables it’s possible, for example, to place the RGB LED apart from the board. We’ll need the RGB LED today because the test is about a website with which you can…Read more

Behind today’s door is a very special component, namely a humidity sensor. Together with the phototransistor and the NTC, it creates a weather station for at-home use. The following layout is necessary for this purpose: Today’s layout is a bit…Read more

Today’s project deals with a well-known lamp from Phillips, the Wake Up Light. This is an alarm clock that, instead of making a loud noise, slowly increases the brightness. This creates a type of sunrise, and one wakes up in…Read more

Behind today’s door is a piezo sound transducer. It’s possible to generate sounds with it, which will become clear in today’s test. Today you’re building a type of piano that can be used via a website. See the following picture…Read more

Since the Blynk platform was the central point of our projects over the last few days, now we’re coming to a totally new subject: the NanoESP as web server. You’ve already gotten a first impression of it in the test…Read more